(A) : Whales and elephants have abdominal testes.
(R) : Being poililothermous cooling of testes is not required in these animals
A. If both (A) and (R) are true and (R ) is the correct explanation of (A)
B. If both (A) and (R) are true but (R ) is not the correct explanation of (A)
C. If (A) is true but (R) isfalse
D. If both (A) and (R) are false.